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Status Not under consideration
Created by Guest
Created on Apr 25, 2019

Add maximum parallel sessions for NDMP backups

Limit the number of parallel backup sessions for NDMP backups of NetApp (or any other) NAS node.

Idea priority Low
  • Guest
    Reply
    |
    May 7, 2019

    Yes, I did solve this problem by creating my own script that does the work of starting the backups and monitoring them and keeping and updating the queue of volumes to be backed up.

    I understand if I'm the only one with this problem there won't be a solution by IBM for this problem.

  • Guest
    Reply
    |
    May 2, 2019

    That's exactly what I did. I created a script that uses the command "backup node $nodename $volume wait=no toc=yes" to backup all the nodes. The issue here is performance. If I issued all the backup commands one by one as a sequence with the option wait=yes I would not get through the backups in a reasonable amount of time. Therefore the script issues x backups of volumes in parallel and monitors the running backups if they have ended already. As soon as one of the backup processes has finished, the script issues another volume backup. This way, there is always x backups running in parallel. x is a configurable amount (currently set to 5).

    This is exactly what the parameter vmmaxparallel in ISP4VE does... ;-)